About
Organize your peptide protocols with detailed tracking of compounds, doses, and cycles. Features smart reminders tailored to your schedule, reconstitution calculations, and private, on-device data storage. Offers weekly reports and a curated peptide library.
What's New in Peptides OS
0.0.2
May 26, 2026
Performance improvements and minor bug fixes.
Subscription plans
Peptides OS Pro Monthly
Unlimited stacks, full library, planner, no ads.
Developer apps
FAQ
What can I track with Peptides OS?
Peptides OS allows you to track active compounds, dose history with injection-site rotation, vial stock and expiry dates, cycle progress, and logged side effects per dose.
How does Peptides OS handle reminders?
It offers flexible reminders that match real schedules, including daily, twice daily, EOD, 5-on/2-off, weekly, and custom days. You can also set optional lead-time, at-time, and missed-dose alerts.
Is the reconstitution calculator free to use in Peptides OS?
Yes, the reconstitution calculator is a free feature. You can enter vial weight and BAC water to get concentration, draw units, doses per vial, and days of supply.
Does Peptides OS offer cycle planning features?
Yes, Peptides OS includes cycle planning where you can set cycle duration and rest weeks. Reminders automatically pause during rest periods and resume when the next on-cycle begins.
How does Peptides OS ensure user privacy?
Peptides OS is designed for privacy, with your data staying on-device by default. It is locally encrypted, and no account is required to use the core app's functionality.
What features are included in the Peptides OS Pro upgrade?
Upgrading to Pro unlocks unlimited compounds, the full peptide library, advanced cycle planner, lab notes, and CSV export functionality. The free tier covers everyday tracking.
What is the update frequency for Peptides OS?
The app was last updated on May 26, 2026, with version 0.0.2. This indicates recent development activity and ongoing support.
What devices is Peptides OS available on?
Peptides OS is available on iOS devices and has an age rating of 17+, suggesting it is designed for mature users.